package com.boot.module.flow.modeler;//package com.example.demo.modeler;
//
//import com.fasterxml.jackson.databind.JsonNode;
//import com.fasterxml.jackson.databind.ObjectMapper;
//import com.fasterxml.jackson.databind.node.ObjectNode;
//import com.github.pagehelper.Page;
//import com.ruoyi.activiti.domain.ModelerVo;
//import com.ruoyi.common.annotation.Log;
//import com.ruoyi.common.config.RuoYiConfig;
//import com.ruoyi.common.constant.HttpStatus;
//import com.ruoyi.common.core.controller.BaseController;
//import com.ruoyi.common.core.domain.AjaxResult;
//import com.ruoyi.common.core.page.PageDomain;
//import com.ruoyi.common.core.page.TableDataInfo;
//import com.ruoyi.common.core.page.TableSupport;
//import com.ruoyi.common.enums.BusinessType;
//import org.activiti.bpmn.converter.BpmnXMLConverter;
//import org.activiti.bpmn.model.BpmnModel;
//import org.activiti.editor.constants.ModelDataJsonConstants;
//import org.activiti.editor.language.json.converter.BpmnJsonConverter;
//import org.activiti.engine.RepositoryService;
//import org.activiti.engine.impl.persistence.entity.ModelEntityImpl;
//import org.activiti.engine.repository.Deployment;
//import org.activiti.engine.repository.Model;
//import org.activiti.engine.repository.ModelQuery;
//import org.apache.commons.io.IOUtils;
//import org.apache.commons.lang3.StringUtils;
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.stereotype.Controller;
//import org.springframework.util.CollectionUtils;
//import org.springframework.web.bind.annotation.*;
//import org.springframework.web.servlet.mvc.support.RedirectAttributes;
//
//import javax.servlet.http.HttpServletResponse;
//import java.io.*;
//import java.util.List;
//
//import static org.activiti.editor.constants.ModelDataJsonConstants.MODEL_DESCRIPTION;
//import static org.activiti.editor.constants.ModelDataJsonConstants.MODEL_NAME;
//
//@Controller
//public class ModelerController extends BaseController {
//    protected static final Logger LOGGER = LoggerFactory.getLogger(ModelEditorJsonRestResource.class);
//
//    @Autowired
//    private RepositoryService repositoryService;
//    @Autowired
//    private ObjectMapper objectMapper;
//
//
//    @GetMapping("/modeler/list")
//    @ResponseBody
//    public TableDataInfo list(ModelEntityImpl modelEntity) {
//        ModelQuery modelQuery = repositoryService.createModelQuery();
//        modelQuery.orderByLastUpdateTime().desc();
//
//        // 条件过滤
//        if (com.ruoyi.common.utils.StringUtils.isNotBlank(modelEntity.getKey())) {
//            modelQuery.modelKey(modelEntity.getKey());
//        }
//        if (com.ruoyi.common.utils.StringUtils.isNotBlank(modelEntity.getName())) {
//            modelQuery.modelNameLike("%" + modelEntity.getName() + "%");
//        }
//
//        PageDomain pageDomain = TableSupport.buildPageRequest();
//        Integer pageNum = pageDomain.getPageNum();
//        Integer pageSize = pageDomain.getPageSize();
//
//        List<Model> resultList = modelQuery.listPage((pageNum - 1) * pageSize, pageSize);
//
//        Page<Model> list = new Page<>();
//        list.addAll(resultList);
//
//        list.setTotal(modelQuery.count());
//        list.setPageNum(pageNum);
//        list.setPageSize(pageSize);
//
//        return getDataTable(list);
//    }
//
//
//    /**
//     * 创建模型
//     */
//    @RequestMapping(value = "/modeler/create")
//    @ResponseBody
//    public AjaxResult create( @RequestBody ModelerVo modelerVo) {
//        try {
//            ObjectMapper objectMapper = new ObjectMapper();
//            ObjectNode editorNode = objectMapper.createObjectNode();
//            editorNode.put("id", "canvas");
//            editorNode.put("resourceId", "canvas");
//            ObjectNode stencilSetNode = objectMapper.createObjectNode();
//            stencilSetNode.put("namespace", "http://b3mn.org/stencilset/bpmn2.0#");
//            editorNode.put("stencilset", stencilSetNode);
//
//            ObjectNode modelObjectNode = objectMapper.createObjectNode();
//            modelObjectNode.put(MODEL_NAME, modelerVo.getName());
//            modelObjectNode.put(ModelDataJsonConstants.MODEL_REVISION, 1);
//            String description = StringUtils.defaultString(modelerVo.getDescription());
//            modelObjectNode.put(MODEL_DESCRIPTION, description);
//
//            Model newModel = repositoryService.newModel();
//            newModel.setMetaInfo(modelObjectNode.toString());
//            newModel.setName(modelerVo.getName());
//            newModel.setKey(StringUtils.defaultString(modelerVo.getKey()));
//
//            repositoryService.saveModel(newModel);
//            repositoryService.addModelEditorSource(newModel.getId(), editorNode.toString().getBytes("utf-8"));
//
//            return new AjaxResult(HttpStatus.SUCCESS, "创建模型成功", newModel.getId());
//        } catch (Exception e) {
//            logger.error("创建模型失败：", e);
//        }
//        return AjaxResult.error();
//    }
//
//    /**
//     * 根据Model部署流程
//     */
//    @RequestMapping(value = "/modeler/deploy/{modelId}")
//    @ResponseBody
//    public AjaxResult deploy(@PathVariable("modelId") String modelId, RedirectAttributes redirectAttributes) {
//        try {
//            Model modelData = repositoryService.getModel(modelId);
//            ObjectNode modelNode = (ObjectNode) new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
//            byte[] bpmnBytes = null;
//
//            BpmnModel model = new BpmnJsonConverter().convertToBpmnModel(modelNode);
//            bpmnBytes = new BpmnXMLConverter().convertToXML(model);
//
//            String processName = modelData.getName() + ".bpmn20.xml";
//            Deployment deployment = repositoryService.createDeployment().name(modelData.getName()).addString(processName, new String(bpmnBytes, "UTF-8")).deploy();
//            LOGGER.info("部署成功，部署ID=" + deployment.getId());
//            return AjaxResult.success("部署成功");
//        } catch (Exception e) {
//            LOGGER.error("根据模型部署流程失败：modelId={}", modelId, e);
//
//        }
//        return AjaxResult.error("部署失败");
//    }
//
//    /**
//     * 导出model的xml文件
//     */
//    @RequestMapping(value = "/modeler/export/{modelId}")
//    @ResponseBody
//    public AjaxResult export(@PathVariable("modelId") String modelId) {
//        OutputStream out = null;
//        try {
//            Model modelData = repositoryService.getModel(modelId);
//            BpmnJsonConverter jsonConverter = new BpmnJsonConverter();
//            JsonNode editorNode = new ObjectMapper().readTree(repositoryService.getModelEditorSource(modelData.getId()));
//            BpmnModel bpmnModel = jsonConverter.convertToBpmnModel(editorNode);
//
//            // 流程非空判断
//            if (!CollectionUtils.isEmpty(bpmnModel.getProcesses())) {
//                BpmnXMLConverter xmlConverter = new BpmnXMLConverter();
//                byte[] bpmnBytes = xmlConverter.convertToXML(bpmnModel);
//
//                ByteArrayInputStream in = new ByteArrayInputStream(bpmnBytes);
//                String filename = bpmnModel.getMainProcess().getId() + ".bpmn";
//
//                File file  = new File(getAbsoluteFile(filename));
//                if(file.exists()){
//                    file.delete();
//                }
//                FileOutputStream fos = new FileOutputStream(file);
//                fos.write(bpmnBytes,0,bpmnBytes.length);
//                fos.flush();
//                fos.close();
//                return AjaxResult.success(filename);
//            } else {
//                return AjaxResult.error();
//            }
//
//        } catch (Exception e) {
//            LOGGER.error("导出model的xml文件失败：modelId={}", modelId, e);
//            return AjaxResult.error("导出model的xml文件失败：modelId={}", modelId);
//
//        }
//    }
//
//    /**
//     * 获取下载路径
//     *
//     * @param filename 文件名称
//     */
//    public String getAbsoluteFile(String filename)
//    {
//        String downloadPath = RuoYiConfig.getDownloadPath() + filename;
//        File desc = new File(downloadPath);
//        if (!desc.getParentFile().exists())
//        {
//            desc.getParentFile().mkdirs();
//        }
//        return downloadPath;
//    }
//
//
//    @Log(title = "流程模型", businessType = BusinessType.DELETE)
//    @DeleteMapping("/modeler/remove/{ids}")
//    @ResponseBody
//    public AjaxResult remove(@PathVariable String ids) {
//        try {
//            repositoryService.deleteModel(ids);
//            return AjaxResult.success();
//        }
//        catch (Exception e) {
//            return AjaxResult.error(e.getMessage());
//        }
//    }
//
//}
